Library reading room

Stephen H. Hart Research Center

Currently Closed for In-Person Research Appointments as Virtual Assistance Continues

As Denver is currently in a Level Red COVID-19 status, the Stephen H. Hart Research Center has closed for in-person appointments. Email with any questions.

The Stephen H. Hart Research Center staff are happy to help with virtual assistance. Email to connect with us.

Research Center services will be unavailable on the following days:
Thursday, November 26th and Friday, November 27th
Thursday, December 24th and Friday, December 25th

Please select from the following to engage our services:


To get your research started, it may be helpful to explore our collection. We recommend searching our online collection for your research topic using a variety of search terms. Although currently limited, we also offer a research service for the History Colorado collection for a fee. 

If you need assistance with your research,  please email us at where a staff member will field your request M-F 10am-4pm.

A woman, possibly Blanche M. McFann, sits at a desk in an office at the Mountain States Telephone and Telegraph building at 1421 Champa Street in Denver, Colorado.

A woman, possibly Blanche M. McFann, associated with the operator's training school program of the Mountain States Telephone Company. (Object ID: 90.259.14)

Request a Reproduction

If you are requesting a reproduction, please search the online collection first, and then fill out a reproduction request form and submit it to Learn more about reproduction services and policies.

Please note that some orders may be delayed at this time, and we appreciate your patience.

In the meantime, enjoy some new offerings in The Collection and in our Digital Experiences including our InSights & InPerson program series.

We are here to help!  
Please email us at if you need research assistance.